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  1. Re: Motor Control Circuit (JPG Attached) for scrutiny and discussion...

    Here you have full schematic . I suggest:

    - D1 and D2 are absolutely necessary !!! ( some relais have diode inside, so D1 is not necessary )
    - the best drive for relay is a NPN transistor ( the...
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    Re: Real Ice and PBP

    Tumbleweed, with PK2 or PK3 you can't programm 18FxxK40. ( read here :https://www.microchip.com/forums/m1011325.aspx ) . A simple way for standalone programmer is upgrade to PicKitPlus (...
  3. Re: How do I discern Maidenhead Locator from GPS lat long info.

    The file "PK2Devicefile.dat" have not edited the microcontroller type. Use DEVICE EDITOR software from here https://sites.google.com/site/pk2devicefileeditor/ and here is the Device ID PIC's
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    Re: help setting up 16F886 for ADC

    Sometimes I read this topic but when I needed it I did not find it ...I dug after him a few hours, so thousands thanks to all for help !
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    Re: help setting up 16F886 for ADC

    Now its clear for me.

    Thank you very much for your patience and explanation !!
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    Re: help setting up 16F886 for ADC

    Thank you very much Richard !

    Now I see that 100 iterations overflowing a word var, so I'll use 10 iteration or DT Average routine, but nevermind right now.

    I know it's unpleasant to ask...
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    Re: help setting 10 bit for ADC and conversion

    I work on proffesional PCB, I changed the capacitor, but the same problem. So, nevermind, without 100nF capacitance the AN0 is ok. Anyway is strange whats what happen there.

    On AN0 I read the...
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    Re: help setting up 16F886 for ADC

    Thank you Ioannis for your effort ! .. you spend a time for me. The problem is solved, I don't understand what happened really.

    So, on AN0 I had a TC1047 ( analog temperature sensor ) with a 100nF...
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    Re: help setting up 16F886 for ADC

    Now I readed the some value on AN2 with succes, but AN0 is the same.
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    Re: help setting up 16F886 for ADC

    Thank you for your fast reply !

    I tried your version, but don't work. The readed adc values oscilating from 10x to 22x.....
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    Re: help setting up 16F886 for ADC

    Hi to all,

    I have troubles with reading 10 bit on AN0 , too .
    Can somebody give me some ideas, please ?


    '****************************************************************
    '* Name :...
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    Re: MCP3201 problems

    Hello Fratello,

    Sounds like a hardware issue. I worked with LM2931 and i had some strange problems because I used a lower capacitance on output. Connect a 100uF (0,1uF is too low) near the stab...
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    Re: 12LF1572 Support

    Try to install MPLAB 8.92
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    Re: PPM decoding using 12F508 problem

    Thank you very much Art ! All its ok, now is working perfectly.

    I adjusted the value, now the pulse on all chanells have 1,5mS


    movlw 125 ; value for 1.5ms here
    movwf ...
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    PPM decoding using 12F508 problem

    I decoded a PPM signal from a old RC receiver with a shift register(HC595) with succes, but short noises cause random output on all channels , so was not a good ideea.
    Also I tried to decode a PPM...
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    Re: Pic will not run

    May be I'm wrong, but verify if you have a shortcircuit between pin3 and pin6 from LCD (Vo pin and E pin)
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    Re: PicBasic Lookup command

    Now all are ok! The problems was from lookup table, was missing one value.
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    Re: PicBasic Lookup command

    Now all are ok !
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    Re: PicBasic Lookup command

    SOLVED !
    1000 x thanks , HENRIK

    I modified the the loockup table :


    lookup value ,[30,40,50,65,80,90,100,117,136,153,168,180_
    ...
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    Re: PicBasic Lookup command

    Thank you very much for explanation , Henrik....
    .
    The pulses are 100% ok , I verified with a osciloscope,
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    Re: PicBasic Lookup command

    I have something strange with loockup command. I play with a RC transmitter...
    If I turn on the pic with signal>185 then duty = 0 ; then I reduce the signal value under 185 , then duty=divf
    If I...
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    Re: 16F1786 issue with simple program.

    Try this:


    #CONFIG
    __MCLRE_OFF
    #ENDCONFIG
  23. Thread: I2C LCD

    by midali
    Replies
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    18,341

    Re: I2C LCD

    Now I understand arrays variable. Thank you for your patience and explanation!
  24. Thread: I2C LCD

    by midali
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    18,341

    Re: I2C LCD

    Now display the x value on LCD , like "hello 012" .

    In main loop, the text is scrolling from right to left on 2 lines.


    SCL VAR PORTC.0
    SDA var PORTC.1
    Reset var PORTC.2
    x var...
  25. Thread: I2C LCD

    by midali
    Replies
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    18,341

    Re: I2C LCD

    Nothing on LCD: I2CWRITE SDA, SCL,com,$40, x
    In ST7036 manual I not found how I can display a decimal number.
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